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Watch Educational Videos for Class Eight

Biology &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

Crop Production And Management

The lessons in this topic explain how the crop is produced and managed using different practices and implements, e.g. different types of crops, what things are necessary for good crop, crop storage etc.

Microbes - Friend And Foe

The different lessons in this topic explain the different types of microbes (e.g. fungi, bacteria, viruses, and protozoa).It also explains how some microbes are useful, while others are harmful to human beings.

Reproduction In Animals

The different lessons in this topic explain the two common ways of animal reproduction – asexual and sexual) and the various animal life cycles (e.g. frog, butterfly etc.). It begins with an interesting story – The Crow and Jackal Friendship.

Reaching The Age Of Adolescence

The lessons in this topic describe about the physical changes in body that a child undergoes when he/she reaches the age of adolescence. It also describes the role of hormones in these changes and what these changes mean.

Conservation Of Plants And Animals

The different lessons in this topic explain the importance of forests and how plants are animals are being conserved in various protected areas. It also puts light on issues we are facing due to deforestation like soil erosion, shortage of water, changing climate etc.

Sound

The lessons in this topic explain what sound is, how it is produced and how it travels from one place to another place. It also explains why different instruments produce different kind of sound. The lessons give clear ideas about various characteristics of sound and terms related to sound e.g. amplitude, pitch, frequency, echo etc. It starts with a beautiful story – ‘Life Is An Echo’.

Solar System and Space

The different learning content in this topic give the overview of the solar system (e.g. the sun, moon and the eight planets including the earth), comets, stars, meteors, meteorites etc. It starts with an adventurous story – Live and Let Live.

Moon And Tides

The different learning content in this topic help the children to understand the phases of the moon (e.g. no moon, crescent moon, full moon etc.). It also explains the phenomenon of tides due to the position of moon.

Rocket and Satellite

The different learning content in this topic explain in detail how a rocket and various types of satellites are launched into the space and how satellites keep revolving around the earth in a fixed orbit.

Pollution And Water

The different learning content in this topic explain various types of pollution, it causes and effects (e.g. air, water, noise etc.). It begins with a fascinating story – Pradushamaan, which teaches us that pollution can be like a monster if not controlled soon.

Maths &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

Rational Number

The different lessons in this topic explain what rational numbers are, their properties, how to represent different rational numbers on a number-line and compare. It also explains about conversion between rational number and decimals, standard form of rational numbers, rational-irrational numbers. It shows how to perform basic arithmetic operations on all the rational numbers.

Base and Exponent

The lessons in this topic explain what exponent is and how to express a number in exponential form. It explains how to read, write numbers in exponential form, value of number with negative base, value of number having power of power. It describes how to add-subtract, divide-multiply numbers in exponential form. It starts with a nice witty story – Gold or grain.

Algebraic Expression

The lessons in this topic explain about algebraic expression. It describes how to form polynomial algebraic expression, elements in algebraic expression, how to solve such expressions. It explains about like-unlike term, degree of polynomial etc. It also explains how to do addition and subtraction with variable and algebraic expression. It starts with an inspiring story of two friends – A helping hand.

Ratio

The lessons in this topic explain what ratio is and how to compare quantities using ratio, how to find simplest form of ratio and equivalent ratio. It starts with a short nice story for children – How Much Milk, How Much Water.

Profit and Loss

The lessons in this topic explain the concept of profit and loss and its importance in daily life and business. It also explains how to calculate profit and loss. It starts with nice story – Raheem’s Tasty Food, which would be helpful to understand the topic.

Percentage

The different lessons in this topic explain what percentage is and its use in real life. It elaborates how to find percentage. It explains the concept of percentage of loss or profit in business and how it is calculated. It starts with a funny story – Ssshhh! Don’t tell anyone.

Simple Interest

The different lessons in this topic explain the concept of simple interest. It explains the concept of simple interest. It elaborates how to find simple interest. It explains the significance of simple interest in real life. It starts with an inspiring story – Hoshiyarpur becomes self-reliant.

Data Handling

The lessons in this topic explain concepts show how to collect and represent data using tally marks, pictograph, bar graph etc. It starts with an entertaining detective story for children - Whole stole the eggs.

Probability

The different lessons in this topic explain what probability is. It describes how to measure probability of an event. It explains about sample space, how to measure probability of event from experiment. It gives definition of most likely, sure and impossible event from probability point of view. It starts with an inspiring story – Uncle’s dice.

Quadrilateral

The different lessons in this topic explain about elements and properties of a quadrilateral. It explains about parallelogram and its properties. It explains which quadrilaterals are parallelogram and why.

Geometry - Area

The lessons in this topic explain how to measure area. It shows how area of parallelogram is measured. It explained the way formula is derived. It also shows how formula of area of circle, trapezium are derived. It describes how to measure area of different triangles and how these formulas are derived.

Mensuration - Volume and Surface Area

The different learning content in this topic explain what volume means. It also expalins how to derive the formula for the volume of a solid shapes like cuboid and a cube. It also explains how the surface area of cube, cuboid and cylinder is calculated.

Shapes

The different learning content in this topic explain what a 3D figure means and its properties. It expalins the difference between 2D and 3D figures. It also expalins how to get a 3D shape out of a given 2D shape.

Drawing Solids

The different lessons in this topic explain how a solid shape looks different from different angle. It describes why view angle is important in real life and how wrong viewing angle may cause mistake. It also describes how to draw 3D object expressing its depth and how drawings of a solid shape from different view point differs.